package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApUnlikeBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.UnLikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
public class ApUnlikeBehaviorServiceImpl implements ApUnlikeBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;
    /**
     * 点踩和收藏行为
     * @param dto
     * @return
     */
    @Override
    public ResponseResult unlikeBehavior(UnLikesBehaviorDTO dto) {
        /**
         * 1. 校验参数 文章id不能为空  需要登录 不喜欢类型取值为 0 或 1
         * 2. 查询行为实体数据
         * 3. 如果是 不喜欢操作 查询不喜欢行为是否存在
         * 4. 如果不存在   添加不喜欢行为
         * 5. 如果是 取消不喜欢操作  删除对应的不喜欢数据
         */
        if (dto.getArticleId() == null) {
            CustException.cust(AppHttpCodeEnum.PARAM_REQUIRE);
        }
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (apBehaviorEntry == null) {
            CustException.cust(AppHttpCodeEnum.PARAM_REQUIRE,"行为实体不存在");
        }
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApUnlikesBehavior unlikesBehavior = mongoTemplate.findOne(query, ApUnlikesBehavior.class);
        if (unlikesBehavior == null) {
            ApUnlikesBehavior apUnlikesBehavior = new ApUnlikesBehavior();
            apUnlikesBehavior.setCreatedTime(new Date());
            apUnlikesBehavior.setArticleId(dto.getArticleId());
            apUnlikesBehavior.setEntryId(apBehaviorEntry.getId());
            apUnlikesBehavior.setType(dto.getType());
            mongoTemplate.save(apUnlikesBehavior);
            return ResponseResult.okResult(apUnlikesBehavior);
        } else {
            Query query2= Query.query(Criteria.where("_id").is(unlikesBehavior.getId()));
            mongoTemplate.remove(query2,ApUnlikesBehavior.class);
            unlikesBehavior.setType(dto.getType());
            unlikesBehavior.setCreatedTime(new Date());
            mongoTemplate.save(unlikesBehavior);
            return ResponseResult.okResult(unlikesBehavior);
        }
    }
}
